First preheat the oven to 400 degrees. Line a cookie sheet with parchment paper or even a silicone baking mat. - You don’t HAVE to cook the filling in case you’re not feeling around it. But you will have leftover apples, which you could save and use later on. Or https://simonysjar.signalwiki.com/618201/about_microwave_with_toaster_built_in